Currently a 1880 S Morgan silver dollar in MS65 uncirculated condition is worth $156.
In MS60 Grade uncirculated, a 1880 S Morgan Silver Dollar is worth about $52. In MS65 Brilliant Uncirculated, it is worth over $330.
Currently as of April 2012 a 1880 Morgan silver dollar in MS63 uncirculated condition is worth around 63 dollars.
A 1880-S Morgan Silver Dollar that is in a mint state of MS67 is worth: $ 450.00.
A silver dollar with the national motto E PLURIBUS UNUM on it dated 1880 is actually called a MORGAN dollar, most all US coins have this motto somewhere on the coin. It's a very commoncoin with a retail value of $36.00-$42.00
Please see
1883-S $30 to $250,000, 1880-O $27 to $70,000, 1921-O does not exist.
If you mean a 1880 Carson City Morgan dollar? circulated examples run from $100.00-$300.00
The highest value silver coin struck in 1880 was a $1 "Morgan" dollar. Please check your coin again and post a new question including a brief description of its design to help ID the coin.
1880-series US $2 bills were issued as United States Notes rather than silver certificates. Please see the question "What is the value of an 1880 US 2 dollar bill?" for more information.
August 29, 2009 The more common 1880-CC dollar in MS65 grade has a value of $1625. The less common Proof-like 1880-CC dollar in MS65 grade has a value of $1900. The scarce Deep Mirror Proof-like {DMPL} 1880-CC dollar in MS65 grade has a value of $11,000.
It sounds like the coin was damaged in some way. Unfortunately that effectively eliminates any possible numismatic value, so the coin is worth its silver bullion value of about $13